The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.

A．dealing; abrupt

B．dealt; innocent

C．deals; practical

D．dealing; valid

一循环程序完成查找一组数据中是否有非零数据，控制循环应选取的循环控制指令是______，这时循环程序的循环终止条件是________。